可以使用Firefox的Firebug插件查看網站的響應時間,今天我們用python實現這個功能。
#!/usr/bin/env python
#coding=utf8
#Author zhaodong
import
os,sys
import
time
import
sys
import
pycurl
URL=sys.argv[1]
#uURL="http://www.baidu.com"
c = pycurl.Curl()
c.setopt(pycurl.URL, URL)
#連接超時時間,5秒
c.setopt(pycurl.CONNECTTIMEOUT, 5)
#下載超時時間,5秒
c.setopt(pycurl.TIMEOUT, 5)
c.setopt(pycurl.FORBID_REUSE, 1)
c.setopt(pycurl.MAXREDIRS, 1)
c.setopt(pycurl.NOPROGRESS, 1)
c.setopt(pycurl.DNS_CACHE_TIMEOUT,30)
indexfile =
open
(os.path.
dirname
(os.path.realpath(__file__))+
"/content.txt"
,
"wb"
)
c.setopt(pycurl.WRITEHEADER, indexfile)
c.setopt(pycurl.WRITEDATA, indexfile)
try:
c.perform()
except Exception,e:
print
"connecion error:"
+str(e)
indexfile.close()
c.close()
sys.
exit
()
NAMELOOKUP_TIME = c.getinfo(c.NAMELOOKUP_TIME)
#DNS解析時間
CONNECT_TIME = c.getinfo(c.CONNECT_TIME)
#獲取建立連接時間
PRETRANSFER_TIME = c.getinfo(c.PRETRANSFER_TIME)
STARTTRANSFER_TIME = c.getinfo(c.STARTTRANSFER_TIME)
TOTAL_TIME = c.getinfo(c.TOTAL_TIME)
HTTP_CODE = c.getinfo(c.HTTP_CODE)
SIZE_DOWNLOAD = c.getinfo(c.SIZE_DOWNLOAD)
HEADER_SIZE = c.getinfo(c.HEADER_SIZE)
SPEED_DOWNLOAD=c.getinfo(c.SPEED_DOWNLOAD)
print
"HTTP狀態碼:%s"
%(HTTP_CODE)
print
"DNS解析時間:%.2f ms"
%(NAMELOOKUP_TIME*1000)
print
"建立連接時間:%.2f ms"
%(CONNECT_TIME*1000)
print
"準備傳輸時間:%.2f ms"
%(PRETRANSFER_TIME*1000)
print
"傳輸開始時間:%.2f ms"
%(STARTTRANSFER_TIME*1000)
print
"傳輸結束總時間:%.2f ms"
%(TOTAL_TIME*1000)
print
"下載數據包大小:%d bytes/s"
%(SIZE_DOWNLOAD)
print
"HTTP頭部大小:%d byte"
%(HEADER_SIZE)
print
"平均下載速度:%d bytes/s"
%(SPEED_DOWNLOAD)
indexfile.close()
c.close()
使用:
#python web.py www.baidu.com